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Vectorization of the Calculation of a Moving Sum
March 1987 (vol. 36 no. 3)
pp. 362-365
B. Mossberg, Control Data Corporation
A moving sum calculation creates a vector B, such that bk is the sum of the elements ak-d through ak+d of an input vector A. It is shown that this procedure can be completely vectorized, resulting in substantial increases in execution speed. Timing comparisons for scalar and vector algorithms executed on both a 2-and a 4-pipe CYBER 205 are presented. Using 32-bit data on the 4-pipe version, the vector algorithm runs almost 10 times faster than the scalar does.
Index Terms:
vectorization, Automatic gain control, algorithm, CYBER 205, Fortran, moving sum
Citation:
B. Mossberg, "Vectorization of the Calculation of a Moving Sum," IEEE Transactions on Computers, vol. 36, no. 3, pp. 362-365, March 1987, doi:10.1109/TC.1987.1676909
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